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All Journal LEMBARAN PUBLIKASI MINYAK DAN GAS BUMI Scientific Contributions Oil and Gas
Anda Lucia
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Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Environmental Science

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KAJIAN REGULASI PENGUSAHAAN OIL SANDS KEDALAMAN DANGKAL DENGAN METODE OIL MINING Usman Pasarai; Hazman; Endras Pribadi; Anda Lucia; Bambang Widarsono
Lembaran Publikasi Minyak dan Gas Bumi Vol. 53 No. 1 (2019): LPMGB
Publisher : BBPMGB LEMIGAS

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Abstract

Untuk mengurangi kesenjangan antara kemampuan produksi dan kebutuhan minyak bumi nasional yang semakin lebar ke depan, maka diperlukan kegiatan penganekaragaman sumber daya minyak bumi, diantaranya dari oil sands kedalaman dangkal. Teknologi eksploitasi oil sands kedalaman dangkal dengan cara penambangan terbuka yang dikenal sebagai oil mining sangat berbeda dengan teknologi eksploitasi minyak bumi konvensional, sehingga diperlukan regulasi khusus sebagai landasan hukum operasional oil mining. Tujuan kajian ini adalah menelaah aturan hukum, prinsip-prinsip hukum, maupun doktrin-doktrin hukum guna menjawab isu rezim dan aturan hukum yang diperlukan terkait pengusahaan oil sands kedalaman dangkal. Metodologi kajian menggunakan pendekatan hukum normatif. Pengumpulan data dilakukan dengan studi pustaka terhadap data sekunder serta bahan hukum primer dan sekunder. Hasil kajian menyimpulkan bahwa karakteristik minyak bumi yang ditemukan pada endapan dangkal oil sands di Indonesia memenuhi kriteria pengertian minyak bumi yang dimaksud Pasal 1 Ayat 1 Undang-Undang Nomor 22 Tahun 2001 tentang Minyak dan Gas Bumi, sehingga undang-undang ini dapat menjadi payung hukum pengusahaan oil sands dengan teknologi oil mining. Dukungan formal dari Pemerintah kepada Kontraktor Hulu Migas pada tahap uji coba diperlukan karena belum ada regulasi khusus sebagai landasan hukum operasional kegiatan oil mining. Teknologi oil mining perlu diakomodir dalam definisi Eksploitasi dalam Undang Undang Migas untuk menjadi landasan hukum positif pengembangan oil sands kedalaman dangkal untuk peningkatan cadangan dan produksi minyak bumi nasional.
UTILIZATION OF SODIUM SULFIT DROPLET FOR OXYGEN ABSORPTION Anda Lucia
Scientific Contributions Oil and Gas Vol 41 No 2 (2018)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.41.2.337

Abstract

Gas absorption by liquid droplets in a spray column is one common method for gas cleaning. The simple design, low pressure drop, and the possibility of its application in liquid systems containing solids are benefi ts of this method. The mass transfer coeffi cient of gas-liquid absorption depends on droplet size, concentration of liquid or gas and the physic-chemical system. Experiments to study the mass transfer using the air-oxygen/sulphite system have been performed. The dispersed droplets were generated by pumping the liquid through a needle with certain fl owrate. A High Speed Camera with shadowgraph method and image processing was used for measurement of droplet size and velocity accurately. The shapes of the droplets were relatively not spherical because of oscillating movement. The droplets are slightly accelerated after detach from the needle. The oxygen concentrations were determined by means of spectrophotometric method. The liquid mass transfer coeffi cients of this experiment are 2 times lower than the model because of the low reaction between oxygen and sulphite . The mass transfer coeffi cient of the experiment is calculated from the experimental data, and compared with the model equations from the literature.
Extraction Of Naphthenic Acid From Indonesian Crude Oils By Methanol-Ammonium Solution Anda Lucia
Scientific Contributions Oil and Gas Vol 34 No 1 (2011)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.34.1.795

Abstract

Indonesia’s crude oil which has a total acid number (TAN) with a concentration more than 0.5 mg KOH/g are often found. The presence of naphtenic acid tends to increase the value of TAN. The existence of naphthenic acid needs to be reduced to avoid problems in the petroleum refining process because it will cause problems of corrosion, foaming, etc. On the other hand, naphthenic acid may have a value-added as an emulsifier, antiseptics timber, preservatives, and so on. This study extracted naphthenic acid from some Indonesian crude oils which have relatively high TAN value oil with the code A, B and C. Extraction of naphthenic acid from crude B shows quite high results of that is equal to 65.47% with a purity level of 96.6%
Co-Authors Bambang Widarsono Endras Pribadi Hazman Usman Pasarai